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Porsche > 991 (911) MK2 2016-2019 > Chassis / Bodywork >

Roll Cages

Roll Cages

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Front carbon sports seat sub-belt bracket. Porsche 991 GT3 / 991 GT3 RS / 981 Cayman GT4 BBi Autosport - bbi.991.817.0001
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Front carbon sports seat sub-belt bracket. Porsche 991 GT3 / 991 GT3 RS / 981 Cayman GT4 BBi Autosport
BBISUB991GT3
Product Information
Product Information
BBi Autosport carbon sport seat sub-belt bracket for Porsche 991 GT3 / 991 GT3 RS / 981 Cayman GT4

bbi

Product Description:
If you have the optional Sport Bucket seats and planning to install 6-point race harnesses, then you will need this bracket. Without any modifications, this bracket bolts directly to the seat and keeps the harnesses at the proper 10-20° angle regardless of the seat position.

Features :

•   Provides mounting location for sub-belts at the proper 10-20° angle regardless of the seat position
•   Precision CNC laser cut and bent from one piece high carbon steel for superior strength
•   Stylish design with laser cut BBi logo and durable satin black Powdercoat finish
•   Attaches to seat assembly using factory mounting points with all hardware included
•   Compatible with Porsche 991 GT3 and 981 Cayman GT4 models equipped with Sport Bucket Seats
•   Made in the USA
DISPLAYING 1 to 1 (of 1 products)
About Roll Cages

Enhance your Porsche’s safety, rigidity, and performance with genuine Porsche and aftermarket roll cages from Design911. Designed for both motorsport and track-day applications, roll cages are essential for reinforcing the chassis, improving structural integrity, and providing critical driver protection in high-performance environments.

Manufactured to OEM or FIA-approved standards, our range includes bolt-in and weld-in roll cages, half cages, and full multi-point safety systems that meet the requirements of road and competition use. Whether you’re building a dedicated race car, preparing for track days, or enhancing your Porsche’s rigidity for performance driving, Design911 offers genuine Porsche Motorsport cages and premium aftermarket options from trusted brands.

Crafted from high-strength steel or lightweight aluminium, these roll cages deliver maximum protection, precision fitment, and improved handling stability — ensuring your Porsche remains safe and responsive under all conditions.

Genuine Porsche Roll Cages
Factory-engineered Porsche roll cages built to OEM standards. Designed for perfect integration with the chassis and optimal interior clearance.

Aftermarket Performance Roll Cages
High-quality roll cages designed for track and racing applications. Available in bolt-in or weld-in configurations to suit different performance needs.

Half Roll Cages / Clubsport Cages
Lightweight, rear-mounted cages offering chassis reinforcement and rollover protection while retaining full road usability.

Full Roll Cages (Multi-Point Systems)
Comprehensive, competition-grade roll cages designed for maximum safety and rigidity — ideal for motorsport and endurance racing.

Classic Porsche Roll Cages
Custom-fit cages for classic Porsche models such as the 911, 964, and 993. Designed to enhance body strength while maintaining period-correct interior styling.

Mounting Kits & Accessories
All required mounting hardware, base plates, and brackets for secure, FIA-compliant installation of roll cages in any Porsche model.

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